South Korea

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South Korea's Na Yeon Choi shot a 1-over 73 on Sunday, but her 65 on Saturday gave her enough of a final-round cushion to claim the championship trophy. (Associated Press)

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Activist No Su-hui (center) shouts, "Long live reunification!" in front of North Korean officials and soldiers before crossing the demarcation line between North and South Korea where South Korean officials (in background) were waiting for him, at the Demilitarized Zone at Panmunjom, Korea, on Thursday, July 5, 2012. South Korean officials immediately detained the activist for making an extended trip to Pyongyang without South Korean government approval, as required by law. (Associated Press)

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**FILE** South Africa's Oscar Pistorius competes Sept. 1, 2011, in a qualification round for the Men's 4x400m relay at the World Athletics Championships in Daegu, South Korea. (Associated Press)

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Glyn Davies, U.S. envoy to North Korea, answers reporters' questions after meeting with South Korea's chief nuclear envoy, Lim Sung-nam, and Mr. Lim's Japanese counterpart, Shinsuke Sugiyama, at the Foreign Ministry in Seoul on Monday, May 21, 2012. (AP Photo/Lee Jin-man)

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South Korean astronomy students use telescopes and special sunglasses to observe an annular solar eclipse in Seoul, South Korea. (AP Photo/Lee Jin-man)

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An annular solar eclipse is seen through special sunglasses in Seoul, South Korea. Millions of Asians watched as a rare "ring of fire" eclipse crossed their skies early Monday. The annular eclipse, in which the moon passes in front of the sun leaving only a golden ring around its edges, was visible to wide areas across the continent. (AP Photo/Lee Jin-man)

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South Korean astronomy students use telescopes to observe an annular solar eclipse in Seoul, South Korea, Monday, May 21, 2012. (AP Photo/Lee Jin-man)

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A South Korean astronomy student uses special sunglasses to observe an annular solar eclipse in Seoul, South Korea. Millions of Asians watched as a rare "ring of fire" eclipse crossed their skies early Monday. (AP Photo/Lee Jin-man)

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South Korean President Lee Myung-bak (left), Chinese Premier Wen Jiabao (center) and Japanese Prime Minister Yoshihiko Noda pose for photographs ahead of the fifth trilateral summit among the three nations in Beijing on Sunday, May 13, 2012. (AP Photo/Petar Kujundzic, Pool)

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North Korean soldiers in Kim Il-sung Square in central Pyongyang, North Korea, chant during a rally denouncing South Korean President Lee Myung-bak on Friday, April 20, 2012. (AP Photo/Ng Han Guan)

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Japanese Foreign Minister Koichiro Gemba speaks at the sixth Trilateral Foreign Ministers Meeting, comprising Japan, China and South Korea, in the eastern Chinese city of Ningbo on Sunday, April 8, 2012. (AP Photo/Peter Parks, Pool)

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President Obama talks of reunification with North Korea during his visit to South Korea. President Lee Myung-bak is on hand. (Associated Press)

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President Obama (second from left) meets March 25, 2012, with members of the South Korean and U.S. militaries at Observation Post Ouellette in the Demilitarized Zone (DMZ), the tense military border between the two Koreas, in Panmunjom, South Korea. (Associated Press)